Little swallow ~ wear flower clothes ~ this classic lyrics is known by almost everyone in the country. It refers to the black and white color matching of the swallow. Recently, however, a resident in Shaanxi Province had a small swallow that had always been snow-white. Many neighbors came to watch. An old man in his 70s said that he had seen a white swallow for the first time in his life**
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According to the pictures reported by @ first news, the white swallow has white feathers, small size, long wings, and forked tail feathers. It is a traditional swallow shape, with black eyes**
According to the resident, her family has three swallow nests, the mother of the white swallow gave birth to five little swallows, the other four were black, but the swallow was white**
After looking at the photos, the staff of the local forestry station said that this kind of white swallow is really rare. It belongs to the domestic swallow. it may be that this swallow has got "albinism" due to gene mutation, resulting in the white feathers of the whole body**
He said that swallows generally only have white feathers on their abdomen. Swallows have only one in ten thousand chance of albinism, but albino birds are difficult to raise and their survival rate is not high.
It is reported that albinism is a hereditary leukoplakia caused by melanin deficiency or synthesis disorder in skin and accessory organs due to tyrosinase deficiency or dysfunction, which can occur in humans and various animals.